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BOSTON MARATHON 2026

Jennifer Shuttleworth

Bib: 17456•F

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0:00
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:22
3.11 mi
Rank: #18003
Start → 5K
25:22 | 8:10/mi
10K
50:20
6.21 mi
Rank: #17777 (+226)
5K → 10K
24:58 | 8:03/mi
15K
1:15:09
9.32 mi
Rank: #17515 (+262)
10K → 15K
24:49 | 8:00/mi
20K
1:40:05
12.43 mi
Rank: #17225 (+290)
15K → 20K
24:56 | 8:02/mi
HALF
1:45:28
13.11 mi
Rank: #17162 (+63)
20K → HALF
5:23 | 7:54/mi
25K
2:04:46
15.53 mi
Rank: #16814 (+348)
HALF → 25K
19:18 | 7:58/mi
30K
2:30:03
18.64 mi
Rank: #16347 (+467)
25K → 30K
25:17 | 8:09/mi
20M
2:41:09
20.00 mi
Rank: #16171 (+176)
30K → 20M
11:06 | 8:11/mi
21M
2:49:43
21.00 mi
Rank: #15989 (+182)
20M → 21M
8:34 | 8:34/mi
35K
2:55:43
21.75 mi
Rank: #15907 (+82)
21M → 35K
6:00 | 8:02/mi
23M
3:06:03
23.00 mi
Rank: #15779 (+128)
35K → 23M
10:20 | 8:16/mi
24M
3:14:14
24.00 mi
Rank: #15728 (+51)
23M → 24M
8:11 | 8:11/mi
40K
3:21:18
24.85 mi
Rank: #15665 (+63)
24M → 40K
7:04 | 8:16/mi
25.2M
3:24:21
25.20 mi
Rank: #15651 (+14)
40K → 25.2M
3:03 | 8:51/mi
FINISH
3:32:20
26.22 mi
Rank: #15580 (+71)
25.2M → FINISH
7:59 | 7:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:28
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:46:52
Pace8:10 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:5125:228:1025:22
8:10
-
10K
6.21 mi11:36:4950:208:0724:58
8:03
-0:07
15K
9.32 mi12:01:381:15:098:0424:49
8:00
-0:03
20K
12.43 mi12:26:341:40:058:0424:56
8:02
+0:02
HALF
13.11 mi12:31:571:45:288:035:23
7:54
-0:08
25K
15.53 mi12:51:152:04:468:0219:18
7:58
+0:04
30K
18.64 mi13:16:322:30:038:0325:17
8:09
+0:11
20M
20.00 mi13:27:382:41:098:0411:06
8:11
+0:02
21M
21.00 mi13:36:122:49:438:058:34
8:34
+0:23
35K
21.75 mi13:42:122:55:438:056:00
8:02
-0:32
23M
23.00 mi13:52:323:06:038:0610:20
8:16
+0:14
24M
24.00 mi14:00:433:14:148:068:11
8:11
-0:05
40K
24.85 mi14:07:473:21:188:067:04
8:16
+0:05
25.2M
25.20 mi14:10:503:24:218:073:03
8:51
+0:35
FINISH
26.22 mi14:18:493:32:208:077:59
7:51
-1:00

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:51 /mi

Average Pace

8:06 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:29:17

99% of race

Time at Steady Pace

3:03

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:5125:228:1025:22
8:10
#18003
10K
6.21 mi11:36:4950:208:0724:58
8:03
#17777
15K
9.32 mi12:01:381:15:098:0424:49
8:00
#17515
20K
12.43 mi12:26:341:40:058:0424:56
8:02
#17225
HALF
13.11 mi12:31:571:45:288:035:23
7:54
#17162
25K
15.53 mi12:51:152:04:468:0219:18
7:58
#16814
30K
18.64 mi13:16:322:30:038:0325:17
8:09
#16347
20M
20.00 mi13:27:382:41:098:0411:06
8:11
#16171
21M
21.00 mi13:36:122:49:438:058:34
8:34
#15989
35K
21.75 mi13:42:122:55:438:056:00
8:02
#15907
23M
23.00 mi13:52:323:06:038:0610:20
8:16
#15779
24M
24.00 mi14:00:433:14:148:068:11
8:11
#15728
40K
24.85 mi14:07:473:21:188:067:04
8:16
#15665
25.2M
25.20 mi14:10:503:24:218:073:03
8:51
#15651
FINISH
26.22 mi14:18:493:32:208:077:59
7:51
#15580
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi180036510651016929(Top 58%)5870(Top 47%)5870(Top 103%)
10K6.21 mi3.10 mi17777+2266358+1526358+15217520(Top 60%)6214(Top 49%)6214(Top 109%)
15K9.32 mi3.11 mi17515+2626229+1296229+12916929(Top 58%)5870(Top 47%)5870(Top 103%)
20K12.43 mi3.11 mi17225+2906058+1716058+17116299(Top 56%)5551(Top 44%)5551(Top 97%)
HALF13.11 mi0.68 mi17162+636024+346024+3416366(Top 56%)5554(Top 44%)5554(Top 97%)
25K15.53 mi2.42 mi16814+3485831+1935831+19315109(Top 52%)4928(Top 39%)4928(Top 86%)
30K18.64 mi3.11 mi16347+4675612+2195612+21914506(Top 50%)4685(Top 37%)4685(Top 82%)
20M20.00 mi1.36 mi16171+1765522+905522+9014101(Top 49%)4553(Top 36%)4553(Top 80%)
21M21.00 mi1.00 mi15989+1825431+915431+9113589(Top 47%)4381(Top 35%)4381(Top 77%)
35K21.75 mi0.75 mi15907+825397+345397+3414672(Top 51%)5009(Top 40%)5009(Top 88%)
23M23.00 mi1.25 mi15779+1285347+505347+5014200(Top 49%)4818(Top 38%)4818(Top 84%)
24M24.00 mi1.00 mi15728+515336+115336+1115011(Top 52%)5340(Top 42%)5340(Top 93%)
40K24.85 mi0.85 mi15665+635325+115325+1114265(Top 49%)5036(Top 40%)5036(Top 88%)
25.2M25.20 mi0.35 mi15651+145325532513860(Top 48%)4835(Top 38%)4835(Top 85%)
FINISH26.22 mi1.02 mi15580+715299+265299+2614063(Top 48%)4951(Top 39%)4951(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16929

Females

5870

F18-39

5870

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17520

Females

6214

F18-39

6214

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16929

Females

5870

F18-39

5870

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16299

Females

5551

F18-39

5551

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16366

Females

5554

F18-39

5554

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15109

Females

4928

F18-39

4928

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14506

Females

4685

F18-39

4685

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14101

Females

4553

F18-39

4553

20M→21M

20.0 - 21.0 mi

Top 47%
×8
+106ft-24ft

Overall

13589

Females

4381

F18-39

4381

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14672

Females

5009

F18-39

5009

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14200

Females

4818

F18-39

4818

23M→24M

23.0 - 24.0 mi

Top 52%
×6
+12ft-82ft

Overall

15011

Females

5340

F18-39

5340

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14265

Females

5036

F18-39

5036

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1
+13ft-16ft

Overall

13860

Females

4835

F18-39

4835

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

14063

Females

4951

F18-39

4951

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2981
Passed By
558
Net Change
+2423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18003
5K → 10K409183+226#18003#17777
10K → 15K34078+262#17777#17515
15K → 20K33444+290#17515#17225
20K → HALF7714+63#17225#17162
HALF → 25K35810+348#17162#16814
25K → 30K48922+467#16814#16347
30K → 20M19317+176#16347#16171
20M → 21M20018+182#16171#15989
21M → 35K9816+82#15989#15907
35K → 23M16941+128#15907#15779
23M → 24M9241+51#15779#15728
24M → 40K9431+63#15728#15665
40K → 25.2M3521+14#15665#15651
25.2M → FINISH9322+71#15651#15580
TOTALS2981558+2423
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing